[gnutls-devel] GnuTLS | lib/psk: add null check for binder algo (!2009)

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Mon Aug 18 09:01:36 CEST 2025




Daiki Ueno commented: https://gitlab.com/gnutls/gnutls/-/merge_requests/2009#note_2691781603


While you are at it, would you mind adding a unit test that exercises the `_credentials2` functions? Maybe that could be done by extending the existing tests, e.g., tests/psk-file.c.

I would also suggest changing `gnutls_psk_allocate_server_credentials2` as well, so if `mac` is `GNUTLS_MAC_UNKNOWN`, do not call `_gnutls_mac_to_entry(mac)` but just set `(*sc)->binder_algo = NULL`; that would make the auto-detection more explicit and avoid linear lookup for the NULL entry.

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